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Finding the Fourth Proportional to 60,461.40, 90,692.10 and 50,838.60

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Solution

The fourth proportional to 60,461.40, 90,692.10 and 50,838.60 is: 76,257.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,461.40 : 90,692.10 = 50,838.60 : x
  2. Step 2: Convert to fraction form
    60,461.40/90,692.10 = 50,838.60/x
  3. Step 3: Cross multiply
    60,461.40x = 90,692.10 × 50,838.60
  4. Step 4: Simplify right side
    60,461.40x = 4,610,659,395.06
  5. Step 5: Solve for x
    x = 4,610,659,395.06/60,461.40
  6. Step 6: Final answer
    x = 76,257.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.